Dahlias are colourful plants ideal for use in mixed herbaceous or bedding borders to give a real splash of colour in late summer and early autumn. They are named after the Swedish botanist A. Dahl, which will help you remember the spelling!
The unusual and extremely attractive Edge of Joy Dahlia has two-toned shaggy flowers; the pure white petals are boldly – and joyously – edged in raspberry-violet, around a rich purple centre and sunny yellow eye. This tuberous perennial is lovely combined with white flowers in the centre of a border, or in a pot.
With single-flowers, it is popular with bees, and is on the RHS Perfect for Pollinators list.
Classed as a decorative dahlia, D. Edge of Joy is striking in flower arrangements, and these blooms last well when cut. Keep picking and deadheading dahlias to encourage even more blooms!
Tubers per pack: 5
Hardiness: Half hardy
Height and Spread: 65cm x 40cm
Preferred Soil Type: Any fertile, humus-rich, moist but well-drained soil
Position: Full sun / Partial shade
Aspect: East, west or south facing, sheltered
Flowering Period: July – November
Planting: Plant outside after risk of frost has passed, 15cm deep, 60cm apart; or start off in pots under glass in late winter to early spring.
Care: Feed weekly, and water well in hot weather. The tall flower stems will require staking and tying in, but this is well worth the trouble for the magnificent display that they produce. Larger flowers can be obtained by pinching out the side buds and just keeping the terminal buds. Lift the tubers once the foliage has died back and store in a frost-free location in moist sand or compost.